Respiratory system

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Across
  1. 4. An infectious disease affecting the respiratory system.
  2. 7. APNEA A condition characterized by periodic cessation of breathing during sleep.
  3. 9. A test to measure lung function.
  4. 14. An instrument used to measure lung capacity.
  5. 15. A disease often caused by smoking, leading to lung damage.
  6. 16. The medical term for the voice box.
  7. 17. The main organ of the respiratory system.
  8. 18. The muscle that controls the volume of air in the lungs.
  9. 20. A flap-like structure that covers the windpipe during swallowing.
Down
  1. 1. The process of oxygen entering the bloodstream.
  2. 2. Inflammation of the airways causing breathing difficulty.
  3. 3. Tiny air sacs where gas exchange occurs.
  4. 5. The process of inhaling and exhaling.
  5. 6. The substance that reduces surface tension in the alveoli.
  6. 8. EDMA A condition where the lungs fill with fluid.
  7. 10. A chronic lung disease that restricts airflow.
  8. 11. The tube connecting the throat to the bronchi.
  9. 12. The process of carbon dioxide leaving the bloodstream.
  10. 13. Tubes that carry air to the lungs.
  11. 19. A membrane covering the lungs and lining the chest cavity.